CR-39 foils were irradiated as part of nuclear accident dosimetry experiments using the Godiva reactor at the Nevada National Security Site and the Caliban and Prospero reactors at the Valduc Centre for Nuclear Studies in France. The irradiated foils were chemically etched using the standard Lawrence Livermore National Laboratory process...
Intertidal herbivores, such as isopods, help regulate and contribute to nutrient cycling and organic carbon flow through the trophic levels in estuaries and coastal ecosystems. Though much is known about the microbiomes of macrophyte leaves that serve as the primary food source for isopods, and (to a lesser extent) the...
Time of Arrival (TOA) is a popular technique used for geolocation. This thesis evaluates the use of TOA techniques indoors. The accuracy of measuring distances using TOA is dependent on the bandwidth of the system and the multipath conditions between the receiver and transmitter. System bandwidth has a significant effect...
The adsorption and elution of the antimicrobial peptide nisin at hydrophobic,
silanized silica surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]-
poly[ethylene oxide] surfactant Pluronic® F108 was measured in situ, with ellipsometry.
While such layers are known to inhibit protein adsorption, nisin was observed to adsorb in
multilayer quantities, to an...
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Yuan-Ching Tai, Author
ACKNOWLEDGMENTS
In spring 2003, I quit after six years
The purpose of this research was to determine whether
student academic achievement in college computer science
programs in the Republic of China (ROC) could be predicted
by factors reported to be effective in US studies. The
relationship between these factors and course performance in
computer science programs was examined. Gender...
This study explores private and public campground markets in Oregon. A profile of
private and public campgrounds, their prices, location, and amenities, served as the supply
side statistics while responses from the 1997 Campground Questionnaire provided data
for demand of Oregon campgrounds. The questionnaire inquired about respondents' last
camping trip...
This thesis is a preliminary archaeological predictive model and project-planning
tool created for the Oregon Department of Transportation (ODOT) as part
of a statewide planning effort to enhance the agency's ability to assess the potential
impacts of highway projects on archaeological resources. This model addresses the
archaeological sensitivity of the...
Long-standing research has highlighted the critical role of physical and outdoor activities for children’s health and wellbeing. During the COVID-19 pandemic, children and youth around the world experienced heightened stress and poor mental health, which coincided with a decrease in active play and increase in screen-based activities. This work aims...
Linkages between land use and its influence on the atmosphere have been a long-standing research area. For example, what is the impact of irrigated agriculture on downwind rainfall? Global-scale models show that moisture recycling is an important source of water for inland regions around the world, but they do not...
Alzheimer’s Disease (AD) is a neurodegenerative pathology currently affecting nearly 44 million individuals worldwide, yet there are not currently any effective treatments or preventions for AD despite the rapid development in our understanding of the disease over the last four decades. The medical and sanitary innovations of the last century...